/*
 * Copyright 2007 Transmogrify, LLC.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.xmog.web.servlet;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * @author <a href="mailto:maa@xmog.com">Mark Allen</a>
 */
public final class WebContext {
	private static final ThreadLocal<HttpServletRequest> requestThreadLocal = new ThreadLocal<HttpServletRequest>();
	private static final ThreadLocal<HttpServletResponse> responseThreadLocal = new ThreadLocal<HttpServletResponse>();

	private WebContext() {}

	public static void setRequest(HttpServletRequest request) {
		requestThreadLocal.set(request);
	}

	public static HttpServletRequest getRequest() {
		return requestThreadLocal.get();
	}

	public static void setResponse(HttpServletResponse response) {
		responseThreadLocal.set(response);
	}

	public static HttpServletResponse getResponse() {
		return responseThreadLocal.get();
	}

	public static void cleanup() {
		if (requestThreadLocal != null) {
			requestThreadLocal.remove();			
		}

		if (responseThreadLocal != null) {
			responseThreadLocal.remove();			
		}
	}
}
